An Analysis of the House Sales Prices in King County

for

Miss Amy Williams

🏠 👑 🏠

Kevin Dietrich
2025-03-17

Getting Familiar with the Data Set

Hypothesis #1

The more bathrooms, the more bedrooms.

Is it true???

The more bathrooms, the more bedrooms. (?)

YES!

[Correlation ≈ 0.5]

Hypothesis #2

The presence of a waterfront affects the prize.

Is it true???

The presence of a waterfront affects the prize. (?)

YES!

Hypothesis #3

The latitude and the longitude of a house location do not affect each other.

Is it true???

The latitude and the longitude of a house location do not affect each other. (?)

Probably YES!

[Correlation ≈ -0.1]

Our Client

Amy Williams, Seller, Mafiosa businesswoman by trade, sells several central houses (top 10%) over time, needs average outskirt houses over time to hide from the FBI avoid entanglements with the FBI.

Amy Williams, Seller, businesswoman by trade, sells several central houses (top 10%) over time, needs average outskirt houses over time to avoid entanglements with the FBI.

⇒ How to define ...

• (top 10%) centrality?
• exceptionality (on the outskirts)?
• "privacy" (on the outskirts)?

How to define ...

• (top 10%) centrality?
• exceptionality (on the outskirts)?
• "privacy" (on the outskirts)?

(Top 10%) Centrality?

Take the number of neighbours in a vicinity of fixed size!

⇒ Sell "green" and buy "red" houses!

How to define ...

• (top 10%) centrality?
• exceptionality (on the outskirts)?
• "privacy" (on the outskirts)?

Exceptionality?

A house becomes more exceptional the more it differs from its immediate neighbours in terms of living space and lot size!

⇒ Avoid regions indicated by the cursor!

How to define ...

• (top 10%) centrality?
• exceptionality (on the outskirts)?
• "privacy" (on the outskirts)?

Privacy

Take the presence of a basement!

⇒ Avoid regions indicated by the cursor!

∎